//数组deMo

let girl =[];
for(let i = 0;i<10;i++){
    girl.push({id:i,name:'黄金'+i+'号',age:10+i+"岁"})
}

girl[0]={name:'飞机'};
// console.log(girl)
// console.log(girl[0])
console.log(girl.keys)
console.log(girl.entries)
let girlOne = {name:'飞机'};
console.log(girl.indexOf('飞机'))
console.log(girl.length)